October 1931 Événements célestes

Lieu d'observation:Beijing (39.904°, 116.407°)

Aperçu des événements célestes mensuels

24 événements célestes au total, dont 4 phases lunaires et 2 événements planétaires.

Événements célestes quotidiens

Toutes les heures en heure locale (Asia/Shanghai)

Group Date Lever/Coucher du soleil Lever/Coucher de la lune Phase lunaire Événements célestes

Planetary outlook

October 1931 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.5
Constellation: Libra
Angular diameter: 4.8"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 13h08m20s
Déclinaison: -05°58'03"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Libra
Angular diameter: 9.9"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Ascension droite: 13h54m22s
Déclinaison: -10°54'08"

Mars

Excellent
Magnitude apparente: 1.5
Constellation: Scorpius
Angular diameter: 4.1"
Status: near western quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 15h05m36s
Déclinaison: -17°49'59"

Jupiter

Excellent
Magnitude apparente: -2.0
Constellation: Leo
Angular diameter: 34.7"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

Ascension droite: 09h22m45s
Déclinaison: +15°58'53"

Saturn

Excellent
Magnitude apparente: 0.5
Constellation: Capricornus
Angular diameter: 16.6"
Status: near western quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

Ascension droite: 19h14m05s
Déclinaison: -22°20'44"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Aries
Angular diameter: 3.7"
Status: near western quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Ascension droite: 01h04m38s
Déclinaison: +06°09'07"

Neptune

Fair
Magnitude apparente: 8.0
Constellation: Virgo
Angular diameter: 2.2"
Status: near eastern quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Ascension droite: 10h36m22s
Déclinaison: +09°34'55"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Sagittarius
Angular diameter: 12574.6"
Status: Moon illumination 16.6%

Observation tip: Moon illumination 16.6%; good for observing lunar surface detail

Ascension droite: 16h23m35s
Déclinaison: -26°22'22"